Add 20/48 and 42/80
20/48 + 42/80 is 113/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
20/48 = 20 × 5/48 × 5 = 100/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Add the two like fractions:
100/240 + 126/240 = 100 + 126/240 = 226/240 - 226/240 simplified gives 113/120
- So, 20/48 + 42/80 = 113/120
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